Malicious PDF — malware analysis report

Static analysis result for SHA-256 22990f00cc97af98…

MALICIOUS

PDF

38.3 KB Authoring application: Scribus
MD5: a06401976374f128b5fd00a999c0f74f SHA-1: 6212bdbd2fb4bf051236dcb05645e3592666d940 SHA-256: 22990f00cc97af98597ac477b8f8279a96c0caf535667d119dd61b9a62ab34a3
128 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link T1059.001 PowerShell

The PDF file contains a large number of external links, identified as a PDF_SEO_LINK_FARM heuristic, suggesting a phishing or malicious content distribution scheme. The ClamAV detection of 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing intent. The presence of a visual download button lure reinforces the deceptive nature of the document. No scripts were extracted from this sample.

Heuristics 4

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://scholarshipsandgrants.school/uploads/1/3/0/7/130739146/tijuv-buvejubuw-naweku-basukulokatidag.pdf
    • http://sugarpie.info/uploads/1/3/0/6/130639629/pirubal-selelitifis-xovetitar.pdf
    • http://goodlifegrill.com/uploads/1/3/0/6/130604430/gepuwom.pdf
    • http://www.jobaileyfrazier.com/uploads/1/3/0/6/130604430/2019553.pdf
    • http://practicalityplus.com/uploads/1/3/0/5/130589342/4920034.pdf
    • http://mybulletproofart.com/uploads/1/3/0/5/130589252/wilurevo-sukojoga-motozefuxasa.pdf
    • http://nebuchadnezar.com/uploads/1/3/0/4/130488914/3817441.pdf
    • http://forbeselderlaw.com/uploads/1/3/0/7/130740461/9628b0acf24d8.pdf
    • http://mail.ryanweible.com/uploads/1/3/0/7/130775596/gelotamasa_vekiwemozaxakom_tuxogizoje_rojotenadab.pdf
    • http://aletothechief.com/uploads/1/3/0/6/130620813/2963084.pdf
    • http://www.abbylauter.com/uploads/1/3/0/6/130605376/5420577.pdf
    • http://witteconstruction.com/uploads/1/3/0/8/130873923/5695640.pdf
    • http://sexualhealthinschools.com/uploads/1/3/0/6/130639664/6240845.pdf
    • http://x-staticapolefitness.com/uploads/1/3/0/3/130323952/02bfb4aec354e.pdf
    • http://www.northwestfishingtips.com/uploads/1/3/0/5/130546244/gopetaveledidodi.pdf
    • http://www.ghostadsofbirmingham.com/uploads/1/3/0/6/130605447/4f8b62a.pdf
    • http://www.bmtaxservices.net/uploads/1/3/0/8/130873868/buxatetakamid-jazeruvitemu-nixigu-dakosiwaja.pdf
    • http://blaspheme48.pleasingfood.com/uploads/1/3/0/5/130545698/130545698.html#install+adobe+reader+for+windows+8.1+64+bit

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000037a6.bin
c26ee7bfb6ce3ebb4fc76402c796cf54454948a30fbaae3f900ce7e761cfb846		 pdf-font-stream PDF embedded font (sfnt) at offset 0x37A6 8256 bytes

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